The most recent piece of evidence found below the collapsed roof, which thereby offers a terminus post quem for the destruction of the building, is a Lakedaimonian coin dating to the second quarter of the first century BC.
South of the rectangular building we struck a shallow pit filled with dark soil, large quantities of pottery and other small finds.
Anything written in the past can constitiute a historical document or 'text' -- literary texts are as much historical sources as shopping lists, letters, charters, or acts of parliament.
The form and content of each of these texts will differ, but there are certain questions that can be asked of any one of them: The form and content of the text are the clues here.
Acropolis - The "high point" or citadel of an ancient Greek city, like the Acropolis in Athens.